CN107299897A - A kind of steering pump of low noise low pulse - Google Patents
A kind of steering pump of low noise low pulse Download PDFInfo
- Publication number
- CN107299897A CN107299897A CN201710295903.0A CN201710295903A CN107299897A CN 107299897 A CN107299897 A CN 107299897A CN 201710295903 A CN201710295903 A CN 201710295903A CN 107299897 A CN107299897 A CN 107299897A
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- China
- Prior art keywords
- rotor
- interval angles
- interval
- stator
- degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/13—Noise
- F04C2270/135—Controlled or regulated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/14—Pulsations
- F04C2270/145—Controlled or regulated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of steering pump of low noise low pulse, including the pump housing provided with discharge chambe, pump shaft on the pump housing, and the stator in discharge chambe, rotor, blade, pump shaft connects rotor by spline and rotor driven is rotated in stator, the rotor is circumferentially arranged with some rotor slots, the blade is arranged in rotor slot and rotated with rotor, the quantity of the rotor slot is 12, interval angles are provided between adjacent two rotor slot, clockwise direction of the two decile semicircles of rotor along rotor is followed successively by the first interval angles, second interval angles, 3rd interval angles, 4th interval angles, 5th interval angles, the angle of second interval angles is less than the first interval angles and the 3rd interval angles and simultaneously greater than the 4th interval angles, 4th interval angles, 5th interval angles, the angle of 6th interval angles is successively decreased along rotor clockwise direction.The present invention effectively reduces noise and the pulsation of steering pump.
Description
Technical field
The present invention relates to steering pump.
Background technology
With developing rapidly for Domestic Automotive Industry, people are to the performance of automobile and the comfortableness of driving and the ratio of performance to price
It is required that more and more higher.To meet people's requirement sensitive to motor turning, electronic-controlled power steering has been used to help in automobile steering system
Power pump.In order to meet requirements at the higher level of the people to performance of automotive steering system, each producer is all constantly employing new technology, green wood
Material, new technology, and reduce steering pump noise and pulsation the performance of automobile and the comfortableness of driving are had a major impact.
The content of the invention
The technical problems to be solved by the invention are exactly a kind of steering pump of low noise low pulse, can effectively reduce and turn
Noise and pulsation to pump, it is ensured that power steering is stable.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：A kind of steering pump of low noise low pulse,
Including the pump housing provided with discharge chambe, the pump shaft on the pump housing, and stator, rotor, blade in discharge chambe, pump shaft
Rotor is connected by spline and rotor driven is rotated in stator, the rotor is circumferentially arranged with some rotor slots, the leaf
Piece is arranged in rotor slot and rotated with rotor, and the quantity of the rotor slot is provided with interval between 12, adjacent two rotor slot
Angle, the clockwise direction of two decile semicircles of rotor along rotor is followed successively by the first interval angles, the second interval angles, the 3rd
Interval angles, the 4th interval angles, the 5th interval angles, the angle of second interval angles are less than the first interval angles and the
Three interval angles and simultaneously greater than the 4th interval angles, the 4th interval angles, the 5th interval angles, the 6th interval angles
Angle is successively decreased along rotor clockwise direction.
Preferably, first interval angles are 36 degree, second interval angles are 29.8 degree, the 3rd interval
Angle is 31.3 degree, and the 4th interval angles are 29.5 degree, and the 5th interval angles are 27.7 degree, the 6th angular interval
Spend for 25.7 degree.
Preferably, the easement curve between the minor axis and major diameter of the stator is：
WhenWhen,
WhenWhen,
In formula:
R- stator curve major diameters,
R- stator curve minor axis,
The crank degree of-stator curve,
∝130 ° of the great circle arc angle of-stator curve,
∝324 ° of the great circle arc angle of-stator curve.
Preferably, the pump shaft is arranged in pump housing axis hole by composite bush.
Preferably, the composite bush is provided with screw type oil-way.
The technical solution adopted by the present invention, is set to 12 not repetitional structures, 12 are not by the blade mounting groove on rotor
The rotor of decile groove eliminates the noise that pump housing resonance is produced by not decile groove, its intrinsic frequency is tended to be reasonable, makes solid
There is the multiple frequency of its rotating speed fundamental frequency of frequency departure, avoid its forbidden zones of frequencies, so as to effectively reduce the noise of steering pump
And pulsation.
Therefore, the present invention can effectively reduce noise and the pulsation of steering pump, it is ensured that power steering is stable, improves automobile
The service life of power assistance pump for steering, makes the comfortableness and security of driving be improved.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is the structural representation of rotor；
Fig. 3 is the structural representation of stator；
Fig. 4 is the easement curve between the minor axis and major diameter of stator.
Embodiment
As shown in figure 1, the steering pump of low noise low pulse, including the pump housing provided with discharge chambe, on the pump housing
Pump shaft 1, traffic security ontrol valve assembly 11, and stator 16 in discharge chambe, rotor 17, blade 18, preceding oil distribution casing 4,
Oil distribution casing 7, are sealed between traffic security ontrol valve assembly 11 and pump housing valve opening by O-ring 12 afterwards, stator 16, it is preceding with oil
Disk 4, rear oil distribution casing 7 are concatenated by alignment pin 5.The spill port of the pump housing is by blocking 6 interference seals, open rearward end and by the envelope of bonnet 13
Close, there are two sealings of O-ring seal 8 and 9 between bonnet 13 and pump housing bottom, bonnet 13 stops spacing by back-up ring 10.Pump shaft leads to
Cross outside framework oil seal 2 and composite bush 3 is arranged in pump housing axis hole.Holddown spring 14 is provided between oil distribution casing 7 and bonnet 13 afterwards.Pump
Axle connects rotor by spline and rotor driven is rotated in stator, and the rotor is described circumferentially arranged with some rotor slots
Blade is arranged in rotor slot and rotated with rotor.
Driven by engine pump shaft 1 is rotated, and pump shaft 1 connects rotor driven 17 by spline and rotated, the blade 18 in rotor slot
As rotor is rotated, the radial motion simultaneously of blade 18 is realized by specific curves on stator 16, so as to realize suction pressure oil, is being passed through
Flow control valve realizes that flow keeps relative stability with rotation speed change.
Wherein, the composite bush is provided with screw type oil-way.Remove on the orthodox car power steering pump pump housing
Rolling bearing, using the composite bush for having oil-way, it is possible to achieve the requirement of the dynamic lubrication of composite bush, to meet steering wheel
It can require.
The all fluorubber of O-ring seal (F385, shore a hardness 80~85) material, improves the reliable of product
Property.Outside framework oil seal is exposed framework oil seal (material is fluorubber), using double-lip seal form, prevents inside and outside two layers of leakage,
The reliability of shaft end seal is improved, highest heatproof can reach 240 degrees Celsius；
Valve seat assembly is the metafiltration web frame of band 2, can filter the impurity in oil product, it is to avoid card valve caused by product impurity,
Wear and tear very fast phenomenon, improve the life-span of product.
As shown in Fig. 2 the quantity of rotor slot is 12, interval angles, two of rotor are provided between adjacent two rotor slot
Clockwise direction of the decile semicircle along rotor is followed successively by between the first interval angles, the second interval angles, the 3rd interval angles, the 4th
Every angle, the 5th interval angles, the angle of second interval angles is less than the first interval angles and the 3rd interval angles and same
When be more than the 4th interval angles, the 4th interval angles, the 5th interval angles, the angle of the 6th interval angles are along rotor up time
Successively decrease in pin direction.
Preferably, first interval angles are 36 degree, second interval angles are 29.8 degree, the 3rd interval
Angle is 31.3 degree, and the 4th interval angles are 29.5 degree, and the 5th interval angles are 27.7 degree, the 6th angular interval
Spend for 25.7 degree.
As shown above, the blade mounting groove on rotor is set to 12 not repetitional structures, steering can be effectively reduced
The noise of pump and pulsation.
Stator major diameter is the maximum radius of stator inner circle, and stator minor axis is the least radius of stator inner circle, in the prior art,
Easement curve between stator major diameter and minor axis has various ways.Most it is initially to use accelerating and decerating curve, according to this mistake
Cross curve and easily produce hard impact, that is, velocity variations impact, in order to solve this problem, later changed into curve of equal velocity
Sine and cosine curve, the problem of although this easement curve solves hard impact, but soft impact is not solved, for the purposes of solving
The problem of soft impact, Archimedes's easement curve is used again, but fail while solving the technical problem of hard impact and soft impact.
Therefore, be the technical problem that solves hard impact and soft impact, as shown in Figure 3 and Figure 4, the minor axis and major diameter of stator it
Between easement curve be designed as：
WhenWhen,
WhenWhen,
In formula:
R- stator curve major diameters,
R- stator curve minor axis,
The crank degree of-stator curve,
∝130 ° of the great circle arc angle of-stator curve,
∝324 ° of the great circle arc angle of-stator curve.
By above-mentioned Curve Design, Stator transitional curve can be solved and produce hard impact and the technical problem of soft impact, made
The movement velocity of blade is steady, and acceleration change is gentle.Because original structure stator uses accelerating and decerating curve, this kind
Curve inherently exist it is soft rush phenomenon, the especially changeover portion in curve, the overall acceleration of curve passes through matlab software meters
Calculate as 0.0041, it is 0.0011 that new state curve entirety acceleration is calculated smaller by matlab softwares.
Above-mentioned curve constrains the speed and acceleration magnitude at curve two ends when boundary condition is set up in design, so new shape
State Stator transitional curve is not only smooth continuous in curve own range, and is not also mutated on end points, is a kind of comprehensive
The good curve of energy, can obtain preferable low noise sound effective value.
In addition, stator uses Cr12MoV die steel materials, solve powdered metallurgical material stator curved surface and pull phenomenon, have
Effect improves the wearability and product useful life longevity of stator curved surface.
Claims (5)
1. a kind of steering pump of low noise low pulse, including the pump housing provided with discharge chambe, the pump shaft on the pump housing, and
Stator, rotor, blade in discharge chambe, pump shaft connects rotor by spline and rotor driven is rotated in stator, described
Rotor is arranged in rotor slot and rotated with rotor circumferentially arranged with some rotor slots, the blade, it is characterised in that：It is described
The quantity of rotor slot is 12, is provided with interval angles between adjacent two rotor slot, and two decile semicircles of rotor are along the suitable of rotor
Clockwise is followed successively by the first interval angles, the second interval angles, the 3rd interval angles, the 4th interval angles, the 5th angular interval
Degree, the angle of second interval angles is less than the first interval angles and the 3rd interval angles and simultaneously greater than the 4th angular interval
Degree, the 4th interval angles, the 5th interval angles, the angle of the 6th interval angles are successively decreased along rotor clockwise direction.
2. a kind of steering pump of low noise low pulse according to claim 1, it is characterised in that：First angular interval
Spend for 36 degree, second interval angles are 29.8 degree, and the 3rd interval angles are 31.3 degree, and the 4th interval angles are
29.5 degree, the 5th interval angles are 27.7 degree, and the 6th interval angles are 25.7 degree.
3. a kind of steering pump of low noise low pulse according to claim 1, it is characterised in that：The minor axis of the stator
Easement curve between major diameter is：
WhenWhen,
WhenWhen,
In formula:
R- stator curve major diameters,
R- stator curve minor axis,
The crank degree of-stator curve,
∝130 ° of the great circle arc angle of-stator curve,
∝324 ° of the great circle arc angle of-stator curve.
4. a kind of steering pump of low noise low pulse according to claim 1, it is characterised in that：The pump shaft passes through multiple
Bushing is closed to be arranged in pump housing axis hole.
5. a kind of steering pump of low noise low pulse according to claim 4, it is characterised in that：On the composite bush
Provided with screw type oil-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295903.0A CN107299897B (en) | 2017-04-28 | 2017-04-28 | A kind of steering pump of low noise low pulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295903.0A CN107299897B (en) | 2017-04-28 | 2017-04-28 | A kind of steering pump of low noise low pulse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299897A true CN107299897A (en) | 2017-10-27 |
| CN107299897B CN107299897B (en) | 2019-10-01 |
Family
ID=60137114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295903.0A Active CN107299897B (en) | 2017-04-28 | 2017-04-28 | A kind of steering pump of low noise low pulse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299897B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440127A (en) * | 2019-09-18 | 2019-11-12 | 湖南机油泵股份有限公司 | A kind of blade pump rotor and the vane pump that noise can be reduced |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU632830A1 (en) * | 1975-04-28 | 1978-11-15 | Украинский Заочный Политехнический Институт | Multiple-action guided-vane rotary machine |
| CN2118840U (en) * | 1991-11-22 | 1992-10-14 | 王文 | High pressure oil supply lubrication gear oil pump shaft sleeve |
| CN1421610A (en) * | 2001-11-30 | 2003-06-04 | 精工电子有限公司 | Gas compressor |
| CN101092958A (en) * | 2007-07-05 | 2007-12-26 | 叶会昌 | Rotor of hydraulic pump |
| CN203627226U (en) * | 2013-12-19 | 2014-06-04 | 宁波培源电器制造有限公司 | Variable pump rotor |
| CN206753899U (en) * | 2017-04-28 | 2017-12-15 | 全兴精工集团有限公司 | A kind of steering pump of low noise low pulse |
-
2017
- 2017-04-28 CN CN201710295903.0A patent/CN107299897B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU632830A1 (en) * | 1975-04-28 | 1978-11-15 | Украинский Заочный Политехнический Институт | Multiple-action guided-vane rotary machine |
| CN2118840U (en) * | 1991-11-22 | 1992-10-14 | 王文 | High pressure oil supply lubrication gear oil pump shaft sleeve |
| CN1421610A (en) * | 2001-11-30 | 2003-06-04 | 精工电子有限公司 | Gas compressor |
| CN101092958A (en) * | 2007-07-05 | 2007-12-26 | 叶会昌 | Rotor of hydraulic pump |
| CN203627226U (en) * | 2013-12-19 | 2014-06-04 | 宁波培源电器制造有限公司 | Variable pump rotor |
| CN206753899U (en) * | 2017-04-28 | 2017-12-15 | 全兴精工集团有限公司 | A kind of steering pump of low noise low pulse |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440127A (en) * | 2019-09-18 | 2019-11-12 | 湖南机油泵股份有限公司 | A kind of blade pump rotor and the vane pump that noise can be reduced |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107299897B (en) | 2019-10-01 |
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